“The AdirPro Mini Prism System with Pin Pole features a 25 mm silver-coated prism with a 0 mm offset attached to a holder that slides up and down the included pin pole.
The .48 Inches (12.2 mm) diameter pin pole has 3.94 Inch (10 cm) long red and white sections that make up three adjustable sections for a total height of 5.91 Feet (71 Inches – 1.8 meters).
These adjustable sections can be fully secured with the knob lock, which also includes a built-in level vial with 40-minute sensitivity.
The prism pole system comes with a replaceable stainless steel point for the pole, an accessory kit with a plumb bob hook, a cone for attachment to the prism, and a carrying case”